201221810

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{283411}}^1$

素因数の和:283489

約数の個数: 16

約数和(自身を含む): 367301952

約数和(自身を除く): 166080142

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 283411, 566822, 1417055, 2834110, 20122181, 40244362, 100610905, 201221810]

約数ペア:

[(1, 201221810), (2, 100610905), (5, 40244362), (10, 20122181), (71, 2834110), (142, 1417055), (355, 566822), (710, 283411)]